BBC NEWS | Technology | Credit cards tap into radio tags i like the idea of RFID as i can see the possibilities of radio tagging, however having to be stuck behind some doddery old git in a queue at safeways while she tries to wave her arms around like she's casting a protection spell in Hogwart's academy is not my idea of fun!!! it'kk make us look like a nation with cerebral palsy everybody will be waving their arms around paying for stuff!!! its madness i tell ya!! madness!! you'll have pissed blokes attempting to pay for rounds at the bar and their party piece will be signing their credit receipt using a totally different appendage!!!